Computing Dictionary
Data definition language definition
language, database (DDL)
1. A language enabling the structure and instances of a
database to be defined in a human-, and machine-readable form.
SQL contains DDL commands that can be used either interactively, or within programming language
source code, to define databases and their components, e.g. CREATE and DROP.
See also
Data manipulation language (DML).
2. A specification language for databases, based on the
entity-relationship model. It is used in the
Eli compiler-compiler to manage type definitions.
["DDL Reference Manual", ECE Dept U Colorado, 1991].
(1999-04-26)
